<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <h2>欢迎登录</h2>
      <p>Temper社交管理后台</p>
      <el-form-item prop="account">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="account"
          v-model="loginForm.account"
          placeholder="账号"
          name="account"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>
<!-- test -->
      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px; margin-left: 0px"
        @click.native.prevent="handleLogin"
        >登 陆</el-button
      >
    </el-form>
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";

export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("请输入正确的用户名"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error("密码不能少于6位"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        account: "",
        password: "",
      },
      loginRules: {
        account: [
          { required: true, trigger: "blur", validator: validateUsername },
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword },
        ],
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" });
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
  },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #fefefe;
$light_gray: #2c3e55;
$cursor: #2c3e55;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  background: url("../../assets/image/logo.jpg") no-repeat 0px 0px;
  background-size: 100% 100%;
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
    input::-webkit-input-placeholder {
      color: #2c3e55;
      font-weight: bold;
    }
  }

  .el-form-item {
    border: 2px solid #2c3e55;
    border-radius: 47px;
    color: #2c3e55;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #333;
$light_gray: #ff4d68;

.login-container {
  min-height: 100%;
  width: 100%;
  .login-form {
    position: absolute;
    width: 500px;
    max-width: 100%;
    padding: 40px 30px 10px;
    margin: 0 auto;
    overflow: hidden;
    left: 58%;
    top: 28%;
    // background: #fbffff;
    border-radius: 20px;
  }
  h2 {
    margin: 0px;
    color: #2c3e55;
  }
  p {
    color: #435364;
    font-weight: bold;
  }
  .svg-container {
    padding: 6px 5px 6px 15px;
    // color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .el-button {
    background: #2c3e55;
    width: 100%;
    height: 40px;
    border: none;
    border-radius: 47px;
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    // color: $dark_gray;
    cursor: pointer;
    user-select: none;
    color: #2c3e55;
  }
}
</style>
